123400485

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3066

約数の個数: 48

約数和(自身を含む): 233670528

約数和(自身を除く): 110270043

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 2769, 2971, 3195, 4615, 8307, 8913, 13845, 14855, 26739, 38623, 41535, 44565, 115869, 133695, 193115, 210941, 347607, 579345, 632823, 1054705, 1738035, 1898469, 2742233, 3164115, 8226699, 9492345, 13711165, 24680097, 41133495, 123400485]

約数ペア:

[(1, 123400485), (3, 41133495), (5, 24680097), (9, 13711165), (13, 9492345), (15, 8226699), (39, 3164115), (45, 2742233), (65, 1898469), (71, 1738035), (117, 1054705), (195, 632823), (213, 579345), (355, 347607), (585, 210941), (639, 193115), (923, 133695), (1065, 115869), (2769, 44565), (2971, 41535), (3195, 38623), (4615, 26739), (8307, 14855), (8913, 13845)]